AUAD, Alaa A. On the Degree of Best Approximation of Unbounded Functions by Algebraic Polynomial. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 29, n. 2, p. 271–281, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/116.. Acesso em: 24 nov. 2024.